Epidemic activity after natural disasters without high mortality in developing settings

Figures & data

Figure 1. Areas affected by three major natural disasters and location of alert-response courses taught, Peru 2005–2006.

Figure 2. Images from the affected areas and the response implemented.

Table 1. Consulations for selected health conditions after three natural disasters, Peru 2005–2006

Place and Condition	Consultations			Incidence (100 person-years)
	Evacuation centers	Healthcare facilities	Total	Evacuation centers	Healthcare facilities	Total
Flooding, Jan 5–Feb 19, 2005**
Respiratory illness	678	392	1,070	101.1	443.4	140.9
Diarrhea	197	131	328	29.4	148.2	43.2
Psychologic disorders	97	46	143	14.5	52.0	18.8
Injuries, wounds and trauma	67	64	131	10.0	72.4	17.3
Conjunctivitis	41	30	71	6.1	33.9	9.4
Skin infections	31	31	62	4.6	35.1	8.2
Urinary tract infection	47	12	59	7.0	13.6	7.8
Febrile, non focalized	7	0	7	1.0	0.0	0.9
All combined	1,165	706	1,871	173.7	798.5	246.5
Population	5,326	702	6,028
Earthquake, Sep 26–Nov 8 2005
Respiratory illness	560	73	633	278.0	7.0	51.0
Psychologic disorders	94	134	228	46.7	12.9	18.4
Injuries, wounds and trauma	51	164	215	25.3	15.8	17.3
Skin infections	67	29	96	33.3	2.8	7.7
Diarrhea	83	8	91	41.2	0.8	7.3
Urinary tract infection	71	18	89	35.2	1.7	7.2
Non-communicable, chronic	67	19	86	33.3	1.8	6.9
Febrile, non focalized	46	14	60	22.8	1.3	4.8
Conjunctivitis	9	23	32	4.5	2.2	2.6
Dog/spider bite	9	4	13	4.5	0.4	1.0
All combined	1,057	486	1,543	524.7	46.7	124.2
Population	1,635	8,447	10,082
Volcanic activity, Apr 10–May 21, 2006*
Respiratory illness	678	420	1,098	157.4	427.7	207.6
Conjunctivitis	431	170	601	100.1	173.1	113.6
Psychologic disorders	257	121	378	59.7	123.2	71.5
Headache	152	77	229	35.3	78.4	43.3
Diarrhea	108	59	167	25.1	60.1	31.6
Digestive system disorders	55	44	99	12.8	44.8	18.7
Skin infections	42	20	62	9.8	20.4	11.7
Injuries, wounds and trauma	4	4	8	0.9	4.1	1.5
All combined	1,727	915	2,642	374.3	869.6	466.3
Population	3,745	854	4,599
All three disasters
All consultations combined	3,949	2,107	6,056	299.1	180.9	243.7
Population	10,706	10,003	20,709

* No consultations for non-communicable, chronic, urinary tract infection, dog/spider bite, febrile without a foci; **No consultations for non-communicable,

Figure 3. Weekly number of consultations during the first six weeks after each disaster, Peru 2005–2006.

Table 2. Overall number of consultations recorded by the health information system of the areas affected by three natural disasters, Peru, 2005–6

Event	Overall number of consultations		Rate ratio [95% CI]	p-value
	Before the disaster	After the disaster
Flooding	2,450	1,871	0.76 [0.72, 0.81]	< 0.001
Volcanic activity	830	2,642	3.18 [2.94, 3.44]	< 0.001
Earthquake	540	1,543	2.86 [2.59, 3.15]	< 0.001
Overall	3,820	6,056	1.59 [1.52, 1.65]*	< 0.001

* Robust estimate, Poisson regression model